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The major factors that affect the performance of protective coatings, according to NACE Standard RP0169-96 Section 5, are: a) surface preparation, b) wetting, c) bonding, and d) adhesion-cohesion phenomena [4].
It is common to use mild steel panels (15 cm×l0 cm) to evaluate the different properties of coatings. 
Then the panels were subjected to different testing procedures to assess the mechanical properties as well as durability.
Hardness is proportional to the abrasion resistance properties of a coating.
Overall, the new food-grade epoxy coating is a promising alternative to traditional epoxy coatings for water pipeline cathodic protection, with comparable technical properties and without the associated health concerns.

Introduction Tube hydroforming process has the advantages of reduced weight, saved material, reduced energy consumption, simplified production processing, reduced production costs, high surface quality, good mechanical properties when compared with traditional stamping and welding craft works.
The main factors that affect the hydroforming process are the material formability, part structure and shape, internal pressure loading path, axial feed rate and feed speed, lubrication conditions between tube and die.
As can be seen from the figure, there are some unfavorable factors while using a hydroforming process machining: the maximum value is close to 178mm while the minimum cross-sectional perimeter is only 132mm with margin close to 35%; the left cross-sectional is relatively flat, so there is deep drawing during forming process; axial-direction feed amount is large.
Cross-sectional perimeter/mm Longitudinal axis/mm Fig.1 Properties and Perimeters of cross-sections 1.2 Numerical analysis Model The initial outer diameter of tube is 42.2mm，and the initial wall thickness is2.0mm.
STKM-11A is selected as the tube material, thanks to its equivalent and satisfied stress and strain properties. 1.3 Stimulation experiment theme After part structure and shape, materials, lubrication conditions and other factors are determined, it is necessary to provide a reasonable match relationship between the internal pressure loading and axial feed to ensure that the tubes can be successfully molded.

Many factors such as mechanical and metallurgical properties, die and punch geometry, lubrication, sheet thickness, sheet roughness, punch speed, etc. contribute to the success or failure of the stamping to varying degrees in an interdependent manner [1].
This initial pressure, called prebulging pressure, affects the quality of cup drawn [2].
Most of the material models require detailed material properties such as mass density, young's modulus of elasticity, strain hardening exponent, r0, r45, r90 and strength coefficient (k) etc. as input to carry out the analysis using the FE code.
The material properties used in the simulation at various temperatures are given in table 1: 4.
Mahesh, “Prediction of mechanical properties of extra deep drawn steel in blue brittle region using Artificial Neural Network” Materials and Design, vol. 31, pp. 2288-2295, (2010)

If the cooling achieved is sufficiently fast the crystallographic growth of the material can be manipulated to obtain specific properties observable in the mesoscale.
Two form factors will be considered 4.6 mm and 15.8 mm, these are not nominal integer values in order to facilitate the implementation of the finned structures that will be discussed later.
For the 4.6 form factor the side (S) is 9.8 mm and for 15.8 form factor is 33 mm [Fig. 6].
Table 2- 4.6 form factor.
Table 3- 15.8 form factor.

Aimed to the problem of excavation and stability for a high and steep rocky slope, with the design excavation height of 90.23m, this paper grasped the engineering geological conditions and physical and mechanical properties of rock mass by such following methods as the field engineering geological survey, measuring, drilling sampling and laboratory test.
High slope deformation evolution is the dynamic system has something to do with time, because of the large excavation area and wide influence, which more easily appear damage under the outside factors such as rainfall [3-5].
Physical and mechanical parameters are mainly based on the slope engineering geological exploration results and combined with the structure of rock mass damage and weathering degree and referring to the literature value of similar projects, calculation parameters is shown in Table 1-2.
The shear stress was adjusted to the excavation slope angle concentrated at, and the plastic zone is formed in the excavation at the foot of the slope produce more pull cracks, is shown in Fig.4(c). (2)Due to the height of slope excavation is larger, unloading loose zone along the structural plane into banded distribution, loose plasmodium has the trend of decline destruction, is shown in Fig.4 (b).Slope during construction or after project completion inevitably will be affected by groundwater infiltration, groundwater will become one of the main factors to control the slope stability.
Under the action of groundwater influence factors such as the slope stability cannot be guaranteed.

Owe to the hydrophobic-bind property of the Fc domain, the VEGF-Fc is efficiently immobilized on the surface of porous polycaprolactone (PCL) scaffold in our study.
To enhance the angiogenesis in scaffold, various strategies have been devised to immobilize pro-angiogenic growth factors, such as encapsulation in microsphere [1], entrapment in hydrogel [2], covalent [3] or electrostatic binding [4], the problem of inadequate blood vessels within scaffolds still remains at large.
In addition, it is confirmed in our previous studies that the VEGF-Fc not only promote cell adhesion and proliferation, but also affect cell morphology and other biological functions.
We chose to use porous PCL scaffolds because of its good biodegradability and mechanical properties suitable for tissue engineering to support the growth of various cells.
Name of experimental group Amount of growth factor in immobilization solution (ng/scaffold) Amount of growth factor immobilized in PCL scaffolds (ng/scaffold) Immobilization rate (%) PBS - - - VEGF 200 20.43±3.35 10.2±0.017 VEGF-Fc 200 193.2±2.26 96.6±0.011 Distribution of immobilized VEGF-Fc in PCL scaffolds.

Machining Induced Defects and the Influence Factors When Diamond Turning of SiCp/Al Composites Y.F.
Introduction Metal matrix composites (MMCs) have many outstanding properties such as high strength, low density, high thermal conductivity and low thermal expansion, which make them find their increasing application in the occasion which precision and ultra-precision machining are needed.
To the best of the authors' knowledge, no research has yet comprehensively demonstrated the type of the surface/subsurface defects and the factors that affect them when ultra-precision machining SiC/Al composites.
Cutting parameters affect the machined surface through the removing mechanism of SiC reinforcement and amplitude of relative tool-workpiece vibration.
Wang: China Mechanical Engineering, Vol.14 (9) (2003), pp.747 (in Chinese)

The anode bulk density which has a closely relation with porosity, oxidation resistance, resistivity, thermal conductivity and mechanical property.
High density laboratory-scale carbon anodes were produced by a new method of high-temperature mould pressing, and their physico-chemical properties were studied.
The carbon brick had a very good quality with high density, low porosity and permeability, high thermal conductivity and excellent mechanical property.
Kneading temperature is one of the main factors affecting kneading process.
Table 1 gives the results and physical properties of industrial prebaked carbon anodes.

The factorial portion of CCD is a full factorial design with all combinations of the factors at two levels (high, +1 and low, -1) and composed of the eight star points, and six central points (coded level 0) which is the midpoint between the high and low levels.
In the present study, the processing parameters affecting the magnetic abrasive material loss rate (MALR) and surface roughness (Ra) such as abrasive size (), spindle speed (), tool and workpiece gap () and feed speed () were considered for experimentation and analysis.
Table 2 shows the identified factors and their levels which the experimental matrix that was adopted in this study in both coded and actual factors.
This means that regression model provides an excellent explanation of the relationship between the factors and the response of magnetic abrasive loss rate.
This means that regression model provides an excellent explanation of the relationship between the factors and the response of Ra.

Its performance is an important factor affecting the vehicle braking performance, so the design and test of the regulator is very strict.
The Mathematical model of pneumatic ABS pressure regulator The performance of regulator is affected by some parts, including mechanical properties, fluid properties.
According to these properties, the mathematical model is built.
These components can be found in the library of mechanical, pneumatic, pneumatic component design, signal and control in AMESim.
The modeling and performance analysis of pneumatic ABS regulator based on AMESim [J].Mechanical and electronic, 2011 (9): 37-40